More polling (#9)
## [1.0.9] - 2020-10-21
### Added
- Accessory: `PLC_OccupancySensor`: Add polling to detect changes. New configuration `enablePolling` and `pollInterval`
- Accessory: `PLC_MotionSensor`: Add polling to detect changes. New configuration `enablePolling` and `pollInterval`
- Accessory: `PLC_ContactSensor` added.
- Accessory: `PLC_TemperatureSensor` Add option `minValue`, `maxValue` `minStep`
- Accessory: `PLC_HumiditySensor` Add option `minValue`, `maxValue` `minStep`
- Accessory: `PLC_LightBulb` Add option `minValue`, `maxValue` `minStep`
- Accessory: `PLC_Thermostat` Add option `minValue`, `maxValue` `minStep` and changed default setting
### Changed
- Accessory `PLC_SecuritySystem` a set of target state will do a single get of target and current state